An aquamarine and diamond ring

An aquamarine and diamond ring, the emerald-cut aquamarine measuring approximately 20 x 13.3 x 11mm and weighing 24.6 carats four claw set in platinum mount with line of 6 round brilliant-cut diamonds set to each lift up shoulder, hallmarked platinum 2012, bearing the Bentley and Skinner sponsor mark gross weight 13.5 grams.

No. 25216V